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The same hormone can affect gene expression differently in various tissues, which could lead to new treatments for conditions like hair loss.

The skin systems of jawed vertebrates evolved diverse appendages like hair and scales from a common structure over 420 million years ago.

Tissue engineering could be a future solution for hair loss, but it's currently expensive, complex, and hard to apply in real-world treatments.

Non-surgical treatments like thread lifts, PRP therapy, HIFU, and radiofrequency effectively rejuvenate and tighten facial skin.

Bioinspired polymers are promising for advanced medical treatments and tissue repair.

Hemp is a promising ingredient for skin products due to its healing and soothing properties.

A new tool can analyze hair to detect changes due to hormones, genetics, and aging.

Men with early balding showed higher levels of certain genes linked to hair loss and possibly prostate cancer.

3D bioprinting is advancing in plastic and reconstructive surgery, especially for creating tissues and improving surgical planning, but faces challenges like vascularization and material development.

Neuropathic pruritus is a commonly overlooked and wrongly diagnosed type of chronic itching that is hard to treat.

The traditional herbal formulas Yongdamsagan-Tang and Paljung-san, along with the drug finasteride, can reduce inflammation and may work together without affecting each other's effectiveness against benign prostatic hyperplasia.

Nail stem cells and Wnt signaling are important for fingertip regeneration but not sufficient for regenerating more complex limb structures.

Hair follicle stem cells can return to their original niche and help regenerate hair.

5α‐reductase isozymes are crucial for prostate development and health, and targeting them can help prevent and treat prostate issues.

Bmpr2 and Acvr2a receptors are crucial for hair retention and color.

Scientists restored fertility in male mice lacking a key fertility gene by using a modified gene.

Nanoparticles added to natural materials like cellulose and collagen can improve cell growth and wound healing, but more testing is needed to ensure they're safe and effective.

Too much β-catenin activity can mess up the development of mammary glands and make them more like hair follicles.

Blocking casein kinase 1 in skin cells can help melanocyte precursors move better, potentially helping with conditions like vitiligo or gray hair.

Higher levels of nidogen1 and type IV collagen are found in basal cell carcinoma compared to normal skin.

CREB, a protein that can promote cancer traits, is controlled by β-catenin in skin cancer cells.

The protein Par3 is crucial for healthy skin, affecting the skin barrier, cell differentiation, and stem cell maintenance.

Ephrins slow down skin and hair follicle cell growth.

The HR protein's role as a repressor is essential for controlling hair growth.

Dermal sheath cells can help grow new hair follicles and show promise in treating hair loss.

DNA methylation changes are linked to hair growth cycles in goats.

Harlequin mutant mice have hair loss due to low AIF protein levels and retroviral element activity.

The circadian clock influences the behavior and regeneration of stem cells in the body.

Hair follicle stem cells are promising for wound healing but require more research for safe clinical use.

The document concludes that skin stem cells are important for hair growth and wound healing, and could be used in regenerative medicine.